<!DOCTYPE html>
<link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org">
<link rel="help" href="https://drafts.csswg.org/css-page-3/#page-properties">
<link rel="match" href="page-box-000-print-ref.html">
<style>
  @page {
    border: 20px solid green;
  }
  html {
    display: grid;
    place-items: center;
    height: 100%;
  }
</style>
This page should have a green border.
